/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraParameterMapHistory.h
Are we currently in a top-level function call context (ie a node in the main graph or an argument into a function for the main graph.)
bool InTopLevelFunctionCall ( [ENiagaraScriptUsage](API\Plugins\Niagara\ENiagaraScriptUsage) InFilterScriptType ) const